/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/NewtonCorotatedCache.h
void deltaP ( const [Chaos::PMatrix](API\Runtime\Chaos\Chaos\PMatrix)< T, 3, 3 > & F, const [Chaos::PMatrix](API\Runtime\Chaos\Chaos\PMatrix)< T, 3, 3 > & dF, const T mu, const T lambda, [Chaos::PMatrix](API\Runtime\Chaos\Chaos\PMatrix)< T, 3, 3 > & dP )